<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    {{ msg }}
    {{ 1+2+3*8 }}
    <hr>
    {{ parseInt(1.23456) }}
    <!-- {{ msg2 }} -->
    {{ 1>2 ? '真的': '假的'  }}
  </div>

  <script src="./vue.global.js"></script>
  <script>
    var msg2 = '你好世界'
  
    const { createApp } = Vue;
    const app = createApp({
      data(){
        return {
          msg: '你好vue'
        }
      },
      methods: {
        toggleBox () {
          this.msg = 'hello world'
        }
      }
    })
    // 将app 渲染到 #app盒子中 
    app.mount("#app")

   
  </script>
</body>
</html>